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US 5,407,261 AGranted
Retractable storage container
OwnerGlenn E. Mercerinventor
Life of this patent
Estimating the term…
Abstract
A storage container for attachment to the enclosed ceiling of a room. The container has an upper and lower portion with the portions being hinged together. An over-center linkage including a tension spring, connects the upper and lower portions and a pivot pin in the linkages engages a portion of the linkage to act as a physical stop to inhibit movement thereof.
Claims1
A storage container for attachment to an enclosed ceiling comprising in combination,
- a) a box-like structure adapted to be secured to a ceiling,
- b) said box-like structure including an upper portion and a lower portion with said lower portion having an enclosed bottom and being shorter in a vertical direction then said upper portion,
- c) hinge means connecting said lower portion to said upper portion,
- d) linkage means connecting said lower portion to said upper portion, said linkage means holding said upper and lower portions in a closed relationship when said box-like structure is closed and allowing said upper and lower portions to remain in an open relationship when said box-like structure is open,
- e) said linkage means including pivot pin means, and
- f) said pivot pin means engaging a part of said linkage to prevent further movement thereof in open direction at such time as said portions are in a desired open relationship, said linkage means includes a first and a second link pivotally connected to each other, said first link being pivotally connected to said upper portion by said pivot pin means and said second link being pivotally connected to said lower portion, a first lever arm is securedly connected to said first link in a perpendicular relationship, a second lever arm is pivotally connected to said first lever arm, tension spring means connects said second lever arm to said upper portion, and said pivot pin means engages said second lever arm to inhibit further movement thereof in an open direction.
3 more elements
Dependencies are inferred from the claim text.